Well the VFD does have a minimum speed. It won't run below that because of min speed and overheating.
I did see a freq of 300 (18k rpm) on the HAL while the VFD locked up. Also MDI'ed S18000 in while the VFD was locked up. Looks like the watchdog_out to the VFD is a problem here. Danny ---- Chris Morley <chrisinnana...@hotmail.com> wrote: > > Iirc Pressing axis spindle buttons sets the rpm to 1 rpm. Maybe this is the > problem. Some how that errors the vfd. Depending on what version of lunuxcnc > there is an INI switch to change that default rpm.You should be able to test > this by setting the rpm to 1 in the MDI window. > Worth a try. > > Chris M > > ----- Reply message ----- > From: "dan...@austin.rr.com" <dan...@austin.rr.com> > To: "Enhanced Machine Controller (EMC)" <emc-users@lists.sourceforge.net> > Subject: [Emc-users] Spindle control panel breaks LinuxCNC? > Date: Wed, Jun 29, 2016 9:12 AM > > > > It's every single time. If I use M3, spindle runs 100% reliably. Or, if I > use my XHC wireless mpg, that runs it fine too. > > But on the Manual Control tab, there's a Spindle button with a CW button > flanking it on the right and a CCW button on the left and +/- buttons > underneath. Hovering over the CW says "Spindle CW (F9)". Clicking on that > results in no effect from the spindle, and the VFD will not respond to M3, > nothing can make it run. It won't run g-code because spindle-at-speed will > never become true and that's required to be true for G1 moves. That will > persist until the VFD power is cycled. Rebooting LinuxCNC alone will have no > effect and it's not necessary to reboot LinuxCNC along with cycling VFD power. > > This is weird. The VFD is controlled by a complied .c, which has a limited > range of communication with the VFD, using a few regs. LinuxCNC has to have > sent something that breaks the VFD communication but I'm not sure what it > could even send that would cause that failure that stores IN the VFD's states > rather than a state of LinuxCNC's code. It has to be on the VFD's registers > because cycling VFD power is essential to recover, while restarting LinuxCNC > is irrelevant to recovery. > > Danny > ---- Gene Heskett <ghesk...@shentel.net> wrote: > > On Wednesday 29 June 2016 01:42:47 Danny Miller wrote: > > > > > Well, I recreated it and confirmed cycling VFD power without rebooting > > > LinuxCNC makes the spindle run again. > > > > > > I looked into the HAL after the "Spindle CW" button breaks everything: > > > enable TRUE > > > is_alarm FALSE > > > is_at_speed FALSE > > > is_ready TRUE > > > is_running TRUE > > > reverse FALSE > > > run TRUE > > > watchdog_out TRUE > > > > > > compared with actually having it running with M3: > > > is_at_speed becomes TRUE (duh) > > > watchdog_out is FALSE > > > > > > Well, that's odd. IIRC the watchdog is not getting data back from the > > > VFD in a timely fashion. It is somehow locked up so that does seem > > > consistent with the situation. But no idea how it's getting locked > > > up. The x200 VFD code sends a speed, dir, and run command and reads > > > back the coils. > > > > > How often? This is sounding as it it has some sort of an internal > > watchdog that is not getting "petted". This function is normally done > > by an addf in your .hal file as one of the last addf's, often next in > > line after the addf that updates the outputs each servo cycle. That way > > the watchdog gets petted even if the rest of the system is sitting idle > > waiting for its slow human to tell it what to do next. :) > > > > For an older 5I25 card install, it looked like this in the .hal file: > > addf hm2_5i25.0.pet_watchdog servo-thread # else he bites! > > > > Do a "sudo dmesg -c" which will clear dmesgs cache, then start lcnc and > > stop it. send the next "sudo dmesg >filename 2>&1" and post it here as > > an insert of that filename. I also find that printing a copy for future > > reference is also quite handy as you go about configuring a working > > system. > > > > Point is, that if the setup has a watchdog, it should show up in that > > dmesg listing, the whole thing is perhaps 60 lines in one of my machines > > that uses a 5I25 card. And its now part of the of the output write > > function now done internal to the card when and output is written by the > > driver. So it does not show up in my dmesg listing, and that line quoted > > above now has a #in front of the addf. > > > > Check the docs you have on this x200 vfd for any mention of a watchdog. > > That should define how to "pet" it to keep it from barking. > > > > OTOH, I do't have an x200 VFD, and its possible that it does not report > > its presence when the program is run. In which case see the docs for the > > x200. > > > > > > Danny > > > > > > On 6/16/2016 11:04 AM, dan...@austin.rr.com wrote: > > > > It's modbus, sorry forgot to mention that. > > > > > > > > What baffles me is the Spindle buttons on the panel, AFAIK, just map > > > > to the same spindle-run in the HAL that M3 goes to. I remember > > > > looking at the HAL monitor on this weeks ago and IIRC it was > > > > "spindle run true, but spindle-isrunning false". The spindle isn't > > > > moving at all. I'll recheck the HAL and take proper notes. > > > > > > > > And like I say, the VFD won't run again even if you reboot LinuxCNC. > > > > It will run if I cycle power on the VFD. So, it's like it sent a > > > > toxic command to the VFD that changed a reg to something unusable. > > > > I did make that x200_vfd.c from the WJ200_vfd.c VFD code, but it > > > > wasn't a major change, and it's simple, there's a run command, > > > > cw/ccw command (I made it so CCW just turns into CW), rpm command, > > > > and reads is-running-at-speed and an error bit. > > > > > > > > It don't see where it could deliver something to de-configure the > > > > VFD, nor why the Spindle panel buttons would do something different > > > > through the HAL than you'd get by MDI M3. > > > > > > > > Danny > > > > > > > > ---- andy pugh <bodge...@gmail.com> wrote: > > > >> On 16 June 2016 at 07:57, Danny Miller <dan...@austin.rr.com> > > > >> wrote: My MPG's "spindle" button works. > > > >> > > > >> On the default panel, ... Clicking any of that doesn't make the > > > >> spindle go, > > > >> > > > >> It's not JUST that. Once you click on any of that, the VFD *will > > > >> never run again* until power is cycled. > > > > > > > > How fascinating.. > > > > Can we see your HAL files? > > > > > > > > Is the spindle controlled by Modbus or DC voltage? What hardware? > > > > > > ---------------------------------------------------------------------- > > >-------- Attend Shape: An AT&T Tech Expo July 15-16. Meet us at AT&T > > > Park in San Francisco, CA to explore cutting-edge tech and listen to > > > tech luminaries present their vision of the future. This family event > > > has something for everyone, including kids. Get more information and > > > register today. http://sdm.link/attshape > > > _______________________________________________ > > > Emc-users mailing list > > > Emc-users@lists.sourceforge.net > > > https://lists.sourceforge.net/lists/listinfo/emc-users > > > > > > Cheers, Gene Heskett > > -- > > "There are four boxes to be used in defense of liberty: > > soap, ballot, jury, and ammo. Please use in that order." > > -Ed Howdershelt (Author) > > Genes Web page <http://geneslinuxbox.net:6309/gene> > > > > ------------------------------------------------------------------------------ > > Attend Shape: An AT&T Tech Expo July 15-16. Meet us at AT&T Park in San > > Francisco, CA to explore cutting-edge tech and listen to tech luminaries > > present their vision of the future. This family event has something for > > everyone, including kids. Get more information and register today. > > http://sdm.link/attshape > > _______________________________________________ > > Emc-users mailing list > > Emc-users@lists.sourceforge.net > > https://lists.sourceforge.net/lists/listinfo/emc-users > > > ------------------------------------------------------------------------------ > Attend Shape: An AT&T Tech Expo July 15-16. Meet us at AT&T Park in San > Francisco, CA to explore cutting-edge tech and listen to tech luminaries > present their vision of the future. This family event has something for > everyone, including kids. Get more information and register today. > http://sdm.link/attshape > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > > ------------------------------------------------------------------------------ > Attend Shape: An AT&T Tech Expo July 15-16. Meet us at AT&T Park in San > Francisco, CA to explore cutting-edge tech and listen to tech luminaries > present their vision of the future. This family event has something for > everyone, including kids. Get more information and register today. > http://sdm.link/attshape > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users ------------------------------------------------------------------------------ Attend Shape: An AT&T Tech Expo July 15-16. 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